Possible NAICS Codes
238220 – Plumbing, Heating, and Air-Conditioning Contractors
333415 – Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
333414 – Heating Equipment (except Warm Air Furnaces) Manufacturing
811412 – Appliance Repair and Maintenance
423730 – Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers
423420 – Office Equipment Merchant Wholesalers
221330 – Steam and Air-Conditioning Supply
561210 – Facilities Support Services
541330 – Engineering Services
493110 – General Warehousing and Storage